CVE-2026-80621

A flaw was found in the Linux kernel's PCI DesignWare Cores DWC driver. When the controller lacks RAS DES capability, the dwcpcierasdesdebugfsinit function can incorrectly report success, leaving a pointer uninitialized. During debugfs teardown, the dwcpcierasdesdebugfsdeinit function then attemp...

CVE-2026-80621

CVE-2026-80621 is a NULL pointer dereference in the Linux kernel's PCI DesignWare (DWC) driver . When a PCIe controller lacks a RAS DES capability, dwc_pcie_rasdes_debugfs_init() returns success but leaves pci->debugfs->rasdes_info unset. The common debugfs teardown path then unconditionall...

CVE-2026-80621 PCI: dwc: Avoid dwc_pcie_rasdes_debugfs_deinit() NULL dereference when no RAS DES capability

In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: Avoid dwcpcierasdesdebugfsdeinit NULL dereference when no RAS DES capability dwcpcierasdesdebugfsinit returns success when the controller has no RAS DES capability, leaving pci-debugfs-rasdesinfo unset. The common debug...